public IGeometry getDeadArea()
{
ITopologicalOperator pDeadAreaTopo = (ITopologicalOperator)ServiceTerritoryFeature.Shape;
IGeometry DeadAreas = pDeadAreaTopo.SymmetricDifference(getReceptionArea());
return(DeadAreas);
}
/// <summary>
/// Generate the tower coverage
/// </summary>
public void GenerateTowerCoverage(Towers pTowers)
{
IWorkspaceEdit pWorkspaceEdit;
pWorkspaceEdit = (IWorkspaceEdit)this._workspace;
try
{
IFeatureWorkspace pFWorkspace = (IFeatureWorkspace)pWorkspaceEdit;
IFeatureClass pTowerRangeFC = pFWorkspace.OpenFeatureClass("TowerRange");
pWorkspaceEdit.StartEditing(true);
pWorkspaceEdit.StartEditOperation();
//delete all ranges , we should later change that to delete only dirty towers
IFeatureCursor pcursor = pTowerRangeFC.Update(null, false);
IFeature pfeaturerange = pcursor.NextFeature();
while (pfeaturerange != null)
{
//we need to change that later
pfeaturerange.Delete();
pfeaturerange = pcursor.NextFeature();
}
foreach (Tower pTower in pTowers.Items)
{
ITopologicalOperator pTopo = (ITopologicalOperator)pTower.TowerLocation;
IPolygon range3Bars = (IPolygon)pTopo.Buffer(pTower.TowerCoverage / 3);
IPolygon range2BarsWhole = (IPolygon)pTopo.Buffer((pTower.TowerCoverage * 2) / 3);
IPolygon range1BarsWhole = (IPolygon)pTopo.Buffer(pTower.TowerCoverage);
ITopologicalOperator pIntTopo = (ITopologicalOperator)range2BarsWhole;
ITopologicalOperator pIntTopo1 = (ITopologicalOperator)range1BarsWhole;
IPolygon range2BarsDonut = (IPolygon)pIntTopo.SymmetricDifference(range3Bars); //,esriGeometryDimension.esriGeometry2Dimension);
IPolygon range1BarsDonut = (IPolygon)pIntTopo1.SymmetricDifference(range2BarsWhole); //,esriGeometryDimension.esriGeometry2Dimension);
IFeature pFeature = pTowerRangeFC.CreateFeature();
pFeature.set_Value(pFeature.Fields.FindField("TOWERID"), "T04");
pFeature.set_Value(pFeature.Fields.FindField("RANGE"), 3);
pFeature.Shape = range3Bars;
pFeature.Store();
IFeature pFeature2Bar = pTowerRangeFC.CreateFeature();
pFeature2Bar.set_Value(pFeature.Fields.FindField("TOWERID"), "T04");
pFeature2Bar.set_Value(pFeature.Fields.FindField("RANGE"), 2);
pFeature2Bar.Shape = range2BarsDonut;
pFeature2Bar.Store();
IFeature pFeature1Bar = pTowerRangeFC.CreateFeature();
pFeature1Bar.set_Value(pFeature1Bar.Fields.FindField("TOWERID"), "T04");
pFeature1Bar.set_Value(pFeature1Bar.Fields.FindField("RANGE"), 1);
pFeature1Bar.Shape = range1BarsDonut;
pFeature1Bar.Store();
}
pWorkspaceEdit.StopEditOperation();
pWorkspaceEdit.StopEditing(true);
}
catch (Exception ex)
{
//if anything went wrong, just roll back
pWorkspaceEdit.AbortEditOperation();
System.Windows.Forms.MessageBox.Show(ex.ToString());
}
}
